Raising a copy of an invoice
Make sure the Invoices & Payments tab is selected as shown below.
Select the invoice you wish to copy in the list of invoices.
Press the Copy button.
A new invoice will be created with the same details as the invoice being copied but with a new invoice number and the current date.
A form will be display allowing the invoice details to be edited. The form should look something like the following.
Edit the invoice if desired.
Press OK to save the invoice.